德国burkert 8400带显示温度传感器 The switching points can be programmed with the 3 key pads or optionally, with input 4 - 20 mA, from an external PLC over a 4 - 20 mA loop. 德国burkert 8400带显示温度传感器 As an option, the process value can additionally be transmitted to the PLC (4 - 20 mA). The connection of the 8400 to the process in the piping is made using standard fittings.

Pipe diameter Any pipe with sensor connection 1/2” Measuring range Compact version  Wall-mounted version -40 up to +125°C (-40 to 257°F) (with ambient temperature between 0 and +40°C (-32 and 104°F)) -40 up to +90°C (-40 to 194°F) (with ambient temperature above +40°C(104°F)) -40 up to +125°C (-40 to 257°F)  Medium temperature +125°C max. (257°F) Fluid pressure max. PN16 Switching accuracy ±0.5°C (0.9°F)(0 up to +80°C (32 to 176°F)) ±1.5°C (2.7°F)(outside of 0 up to +80°C (32 to 176°F)) Repeatability ≤ ±0.4% 

这种智能的微型传感器/开关具有一个特大号显示器，特别适合监控极限值或者 On/Off 或持续型调节电路。存在两种可用的结构：8400 紧凑型或 8400 墙壁安装型。这种适合墙壁安装的结构，必须被插到到一个事先安装在墙壁上的固定架中，在使用时需要结合一个远程温度传感器。